instance_method_stasher.rb in rspec-mocks-2.14.3

- old
+ new

@@ -36,9 +36,15 @@
 
       if ::UnboundMethod.method_defined?(:owner)
         # @private
         def method_owned_by_klass?
           owner = @klass.instance_method(@method).owner
+
+          # On Ruby 2.0.0+ the owner of a method on a class which has been
+          # `prepend`ed may actually be an instance, e.g.
+          # `#<MyClass:0x007fbb94e3cd10>`, rather than the expected `MyClass`.
+          owner = owner.class unless owner.is_a? Class
+
           # On 1.8 (and some 1.9s -- e.g. rubinius) aliased methods
           # can report the wrong owner. Example:
           # class MyClass
           #   class << self
           #     alias alternate_new new